Self-shaking type USB table fan

ABSTRACT

The invention discloses a self-shaking type USB table fan, comprising a table fan seat, wherein the table fan seat is provided with a speed control mechanism for controlling the speed of the USB table fan moving head and a shaking head mechanism for realizing the function of the USB table fan turning head, The speed control mechanism and the moving head mechanism are frictionally driven by a belt; the device has a simple structure and simple operation, and can adjust the moving head speed within a certain range while satisfying the basic blowing and shaking function of the USB table fan, so as to be adapted to use. The most comfortable shaking speed of the head makes the device more user-friendly and improves the quality of life of the user.

CROSS-REFERENCES TO RELATED APPLICATIONS

The present application claims priority from Chinese application No. 2019103101581 filed on Apr. 17, 2019 which is hereby incorporated by reference in its entirety.

TECHNICAL FIELD

The invention relates to the field of small household appliances, in particular to a self-shaking type USB table fan.

BACKGROUND OF THE INVENTION

The USB desk fan is a portable fan that uses USB transmission technology. It is plugged into the computer for extra cooling. The existing USB desk fan's moving head is mostly gearless. This design is not user-friendly and cannot be adapted to the present. The pursuit of high quality of life.

BRIEF SUMMARY OF THE INVENTION

It is an object of the present invention to provide a self-shaking USB stage fan to solve the problems set forth in the background art described above.

In order to achieve the above object, the present invention provides the following technical solution: a self-shaking USB table fan, including a table fan seat, wherein the table fan seat is provided with a speed control mechanism for controlling the speed of the USB table fan moving head and realizing the USB table fan rotation. The head function of the moving head mechanism, the speed control mechanism and the moving head mechanism are frictionally driven by a belt, the speed control mechanism comprises a USB cable, a cone block and six friction blocks, wherein the USB cable is used for connecting an external power source. Supplying electrical energy to the device, the lifting and lowering of the tapered block may cause the friction blocks to approach or away from each other, the speed controlling mechanism further comprising a cam, a U-shaped block and a metal block, and the cam rotates with the U-shaped block Maintaining contact conduction, the cam rotating position can be rotationally conductive with the metal block, the rocking mechanism is located on the left side of the speed control mechanism, and the moving head mechanism comprises a vertical rod, a shaking head slot and a fan blade, the vertical The movement of the straight rod in the shaking head slot can push the fan blade to swing to realize the shaking function, and the moving head mechanism can pull the left and right movement when the friction blocks are close to each other or away from each other, the speed control mechanism and the It determines the distance between the oscillating mechanism moving head USB desk fan speed, the speed control mechanism and the oscillating mechanism of the motor and the moving head hair motor drive means is operated.

Preferably, the speed control mechanism comprises a moving head motor, the working fan slot is provided with a working slot, the lower end wall of the working slot is provided with a horizontal slot, the lower end wall of the lateral slot is fixed with a base, and the upper end surface of the base is fixed There is a moving head motor with a driving shaft, wherein the upper end of the driving shaft is fixed with a circular block, and the upper end surface of the circular block is provided with six elastic grooves, and the left end wall of the left elastic groove is fixed with an elastic spring, and the elastic spring is fixed at the right end. The T-shaped block is slidably connected to the elastic groove, and the upper end of the T-shaped block is located in the working groove and is fixed with a support block, and the upper end surface of the support block is rotated to be provided with a transmission shaft, and the upper end of the transmission shaft is fixed Friction block

Wherein, the right end wall of the working slot is provided with a switching slot, and the left end wall of the switching slot is embedded with a metal block, and the metal block is connected with the moving motor through a short wire, and the upper side of the metal block is provided with The U-shaped block is embedded in the fan-seat, the left end wall of the switching slot is rotated with a cam, the right end of the cam is fixed with an insulating rod whose right end is located outside, and the right end of the U-shaped block is fixed with a USB cable. The working slot communicates with the outside through a cylindrical groove, the cylindrical groove end wall is provided with a spiral groove, the spiral groove is slidably provided with a curved block, and the right end of the curved block is fixed with a lifting rod penetrating the cylindrical groove. The lower end of the lifting rod is fixed with a tapered block between the supporting blocks, and the movement of the curved block in the spiral groove can drive the tapered block to move up and down.

Preferably, the moving head mechanism comprises a moving shaft, the moving groove is slidably disposed in the lateral groove, the moving block is fixedly connected with the base by a moving spring, and the upper end surface of the moving block is rotated to be provided with a moving shaft, The upper end of the moving shaft is fixed with a driving pulley that is frictionally driven by the belt and the three friction blocks on the right side. The upper end surface of the working slot is rotated to be provided with a positioning shaft, and the lower end of the positioning shaft is fixed with a positioning block, and the left end surface of the positioning block is fixed a blower motor, the blower motor and the U-shaped block are connected by a long wire, the left end face of the blower motor is provided with a fan shaft, the fan shaft is provided with a translation slot, and the translation slot is provided with a ring a support rod is fixed on the lower end surface of the ring block, a movement groove is arranged on the support rod, and a movement block is slidably arranged on the movement groove, and the movement block is fixedly connected with the moving block through a U-shaped rod. a groove block is fixed at a lower end of the support rod, a rocking head groove is arranged in the groove block, a vertical rod extending through the moving head groove is fixed on an upper end surface of the transmission pulley wheel, and a fan cover is fixed on a left end surface of the table fan seat. The wind Positioned within the left end of the fan cover fixed and uniform three blades, and the vertical movement of the rod can be driven moving head groove to the fan axis.

In summary, the utility model has the advantages that the device has the advantages of simple structure and simple operation, and can meet the basic blowing and shaking function of the USB table fan, and can adjust the moving head speed arbitrarily within a certain range to achieve the most comfortable for the user. The moving speed of the head makes the device more user-friendly and improves the quality of life of the user.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will now be described in detail with reference to FIGS. 1-2. Here, for convenience of description, the orientations described below are now defined as follows: the up, down, left, and right front and rear directions described below coincide with the up, down, left, and right front and rear directions of the projection relationship of FIG. 1 itself.

1 is a front view showing the entire structure of a self-shaking USB table fan according to the present invention;

2 is a schematic enlarged view of a circular block 39 in a self-shaking head USB fan according to the present invention.

DETAILED DESCRIPTION OF THE INVENTION

All of the features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner other than mutually exclusive features and/or steps.

Referring to FIG. 1-2, an embodiment of the present invention provides a self-shaking USB table fan, including a table fan seat 12, wherein the table fan seat 12 is provided with a speed control mechanism for controlling the speed of the USB table fan moving head. 60 and a moving head mechanism 61 for realizing the function of the USB stage turning head. The speed controlling mechanism 60 and the moving head mechanism 61 are frictionally driven by a belt 44. The speed controlling mechanism 60 includes a USB cable 33, a tapered block 31 and a sixth a friction block 50 for connecting an external power source to supply device power, and the lifting and lowering of the tapered block 31 may cause the friction blocks 50 to approach or away from each other, and the speed control mechanism 60 further includes a cam 35 The U-shaped block 32 and the metal block 37 are kept in contact with the U-shaped block 32 when the cam 35 rotates. The cam 35 is rotated to a position to be electrically conductive with the metal block 37. The moving head mechanism 61 is rotated. Located on the left side of the speed control mechanism 60, the moving head mechanism 61 includes a vertical rod 11, a moving head groove 40 and a blade 17, and the movement of the vertical rod 11 in the moving head groove 40 can push the blade 17 swinging to achieve the shaking function, which can be pulled when the friction blocks 50 are close to each other or away from each other The moving head mechanism 61 moves to the left and right, the distance between the speed controlling mechanism 60 and the moving head mechanism 61 determines the speed of the USB table moving head, and the speed controlling mechanism 60 and the moving head motor 61 and the moving head motor 51 driving device in the moving head mechanism 61 Running.

Advantageously, the speed control mechanism 60 includes a moving head motor 51. The table fan seat 12 is provided with a working slot 13. The lower end wall of the working slot 13 is provided with a lateral slot 54. The lower end wall of the lateral slot 54 is fixed with a base. 45. The upper end surface of the base 45 is fixed with a moving motor 51 with a driving shaft 52. The upper end of the driving shaft 52 is fixed with a circular block 39. The upper end surface of the circular block 39 is provided with six elastic grooves 47. The left end wall of the elastic groove 47 is fixed with an elastic spring 46. The right end of the elastic spring 46 is fixed with a T-shaped block 53 slidably connected to the elastic groove 47. The upper end of the T-shaped block 53 is located in the working groove 13 and is fixed. a support block 48, the upper end surface of the support block 48 is rotated to provide a drive shaft 49, the upper end of the drive shaft 49 is fixed with a friction block 50;

A switching slot 36 is disposed in the right end wall of the working slot 13, and a metal block 37 is embedded in the left end wall of the switching slot 36, and the metal block 37 communicates with the moving motor 51 through the short wire 38. The upper side of the metal block 37 is provided with a U-shaped block 32 embedded in the base 12, and the left end wall of the switching groove 36 is rotated to be provided with a cam 35. The right end of the cam 35 is fixed with an insulating rod 34 whose right end is located outside. The U-shaped block 32 is fixed with a USB cable 33 at the right end thereof. The working slot 13 communicates with the outside through a cylindrical slot 29, and the end wall of the cylindrical slot 29 is provided with a spiral groove 30, and the spiral groove 30 is slidably disposed. a curved block 27 having a lifting rod 28 extending through the cylindrical groove 29 at a right end thereof, and a tapered block 31 located between the supporting blocks 48 at a lower end of the lifting rod 28, and Movement of the arcuate block 27 within the helical groove 30 can cause the tapered block 31 to move up and down.

Advantageously, the moving head mechanism 61 includes a moving shaft 43. The horizontal groove 54 is slidably provided with a moving block 42. The moving block 42 and the base 45 are fixedly connected by a moving spring 55, and the upper end surface of the moving block 42 Rotating is provided with a moving shaft 43. The upper end of the moving shaft 43 is fixed with a driving pulley 41 frictionally transmitted by the belt 34 and the right three friction blocks 50. The upper end surface of the working slot 13 is rotated to be provided with a positioning shaft 24, and the positioning is performed. The lower end of the shaft 24 is fixed with a positioning block 25, and the left end surface of the positioning block 25 is fixed with a blower motor 23, and the blower motor 23 communicates with the U-shaped block 32 through a long electric wire 26, and the left end surface of the blower motor 23 is rotated. There is a fan shaft 16. The fan shaft 16 is provided with a translation slot 18. The translation slot 18 is slidably provided with a ring block 20. The lower end surface of the ring block 20 is fixed with a support rod 22, and the support rod 22 is disposed thereon. There is a movement slot 19, and the movement block 21 is slidably provided with a movement block 21, and the movement block 21 is fixedly connected with the moving block 42 through a U-shaped rod 10, and a groove block 14 is fixed at a lower end of the support rod 22, The trough block 14 is provided with a moving head groove 40, and the upper end surface of the driving pulley 41 is fixedly penetrated a vertical rod 11 of the head groove 40, a fan cover 15 is fixed to the left end surface of the fan seat 12, a left end of the fan shaft 16 is located in the fan cover 15 and three blades 17 are uniformly fixed, and Movement of the vertical rod 11 within the moving head slot 40 can cause the fan shaft 16 to swing.

In the following, the applicant will refer to FIGS. 1-2 and the specific composition of the self-shaking USB table fan of the present application described above to describe in detail how to use the self-shaking USB table fan of the present application:

Inserting the USB cable 33 into the USB interface can provide power to the device, providing conduction of the U-shaped block 32 and the long wire 26, so that the blower motor 23 is energized, the fan shaft 16 is driven to rotate, and the fan shaft 16 drives the fan blade 17 to rotate, completing the USB table. The fan blowing function, when the head needs to be shaken, rotates the insulating rod 34, drives the cam 35 to contact the metal block 37, and provides the conduction of the short electric wire 38, so that the moving head motor 51 is energized, thereby driving the driving shaft 52 to rotate, and driving the friction block 50 to rotate through the belt. The friction transmission of 44 drives the transmission pulley 41 to rotate, thereby driving the vertical rod 11 to rotate, and the movement of the vertical rod 11 in the moving head groove 40 can drive the fan shaft 16 to rotate, realize the shaking function of the USB stage fan, and rotate the lifting rod 28, The movement of the arcuate block 27 in the spiral groove 30 can cause the taper block 31 to rise and fall, thereby changing the transmission ratio of the drive pulley 41 and the friction block 50, thereby changing the rotation speed of the vertical rod 11 to change the speed of the USB table fan moving head.

The utility model has the advantages that the device has the advantages of simple structure and simple operation, and can meet the basic blowing and shaking function of the USB table fan, and can adjust the moving head speed arbitrarily within a certain range to achieve the most comfortable moving head speed of the user. Make the device more user-friendly and improve the quality of life of users.

The above is only the specific embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of by the creative work are included in the scope of the invention. Therefore, the scope of protection of the invention should be determined by the scope of protection defined in the claims. 

1. A self-shaking type USB table fan, comprising a table fan seat, characterized in that: the table fan seat is provided with a speed control mechanism for controlling the speed of the USB table fan moving head and a moving head mechanism for realizing the function of the USB table fan turning head, The speed control mechanism and the moving head mechanism are frictionally driven by a belt, the speed control mechanism includes a USB cable, a cone block and six friction blocks, and the USB cable is used for connecting an external power source to supply device power, the cone The lifting and lowering of the block may cause the friction blocks to be close to or away from each other, and the speed control mechanism further includes a cam, a U-shaped block and a metal block, and the cam is kept in contact with the U-shaped block while being rotated, and the cam rotates. a position may be rotationally conductive with the metal block, the rocking mechanism is located to the left of the speed control mechanism, the moving head mechanism comprises a vertical rod, a shaking head slot and a fan blade, and the vertical rod is in the moving head slot The movement of the fan blade can be pushed to realize the function of shaking the head. When the friction blocks are close to each other or away from each other, the moving mechanism can be pulled to move left and right. The distance between the speed control mechanism and the moving head mechanism determines the USB table fan. Shaking his head Of said control means and the speed of the motor and the oscillating mechanism moving head hair motor drive means is operated.
 2. The self-shaking type USB stage fan according to claim 1, wherein the speed control mechanism comprises a moving head motor, wherein the table fan seat is provided with a working slot, and the lower end wall of the working slot is provided with a transverse slot. The lower end wall of the transverse groove is fixed with a base, and the upper end surface of the base is fixed with a moving head motor with a driving shaft, wherein the upper end of the driving shaft is fixed with a circular block, and the upper end surface of the circular block is provided with six elastic grooves, The left end wall of the left elastic groove is fixed with an elastic spring, and the right end of the elastic spring is fixed with a T-shaped block slidably connected to the elastic groove, and the upper end of the T-shaped block is located in the working groove and is fixed with a support block. a rotating shaft is arranged on the upper end surface of the supporting block, and a friction block is fixed on the upper end of the driving shaft; wherein, the right end wall of the working slot is provided with a switching slot, and the left end wall of the switching slot is embedded with a metal block, and the metal block is connected with the moving motor through a short wire, and the upper side of the metal block is provided with The U-shaped block is embedded in the fan-seat, the left end wall of the switching slot is rotated with a cam, the right end of the cam is fixed with an insulating rod whose right end is located outside, and the right end of the U-shaped block is fixed with a USB cable. The working slot communicates with the outside through a cylindrical groove, the cylindrical groove end wall is provided with a spiral groove, the spiral groove is slidably provided with a curved block, and the right end of the curved block is fixed with a lifting rod penetrating the cylindrical groove. The lower end of the lifting rod is fixed with a tapered block between the supporting blocks, and the movement of the curved block in the spiral groove can drive the tapered block to move up and down.
 3. A self-shaking type USB stage fan according to claim 1, wherein the moving head mechanism comprises a moving shaft, a sliding block is arranged in the lateral groove, and the moving block and the base are moved by a spring. a fixed connection, the upper end surface of the moving block is rotated to be provided with a moving shaft, and the upper end of the moving shaft is fixed with a driving pulley that is frictionally transmitted through the belt and the three friction blocks on the right side, and the upper end surface of the working groove is rotated to be provided with a positioning shaft. a positioning block is fixed at a lower end of the positioning shaft, a blower motor is fixed to the left end surface of the positioning block, the blower motor and the U-shaped block are connected by a long wire, and the left end surface of the blower motor is rotated with a fan shaft, The fan shaft is provided with a translation slot, the translation slot is slidably provided with a ring block, the lower end surface of the ring block is fixed with a support rod, the support rod is provided with a movement slot, and the movement slot is provided with a motion block The moving block and the moving block are fixedly connected by a U-shaped rod, the lower end of the supporting rod is fixed with a groove block, the trough block is provided with a shaking head groove, and the upper end surface of the driving pulley wheel is fixedly inserted through the moving head groove Vertical a fan cover having a fan cover fixed to a left end surface thereof, a left end of the fan shaft being located in the fan cover and uniformly fixed with three blades, and the movement of the vertical rod in the moving head groove can be driven The fan shaft swings. 